Home / 16,280.98-24,405.87-5,181.55

Finding the Fourth Proportional to 16,280.98, 24,405.87 and 5,181.55

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Solution

The fourth proportional to 16,280.98, 24,405.87 and 5,181.55 is: 7,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280.98 : 24,405.87 = 5,181.55 : x
  2. Step 2: Convert to fraction form
    16,280.98/24,405.87 = 5,181.55/x
  3. Step 3: Cross multiply
    16,280.98x = 24,405.87 × 5,181.55
  4. Step 4: Simplify right side
    16,280.98x = 126,460,235.70
  5. Step 5: Solve for x
    x = 126,460,235.70/16,280.98
  6. Step 6: Final answer
    x = 7,767.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.